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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/views/mus/surface_binding.h" | 5 #include "ui/views/mus/surface_binding.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 #include <utility> | 10 #include <utility> |
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35 // PerConnectionState ---------------------------------------------------------- | 35 // PerConnectionState ---------------------------------------------------------- |
36 | 36 |
37 // State needed per ViewManager. Provides the real implementation of | 37 // State needed per ViewManager. Provides the real implementation of |
38 // CreateOutputSurface. SurfaceBinding obtains a pointer to the | 38 // CreateOutputSurface. SurfaceBinding obtains a pointer to the |
39 // PerConnectionState appropriate for the ViewManager. PerConnectionState is | 39 // PerConnectionState appropriate for the ViewManager. PerConnectionState is |
40 // stored in a thread local map. When no more refereces to a PerConnectionState | 40 // stored in a thread local map. When no more refereces to a PerConnectionState |
41 // remain the PerConnectionState is deleted and the underlying map cleaned up. | 41 // remain the PerConnectionState is deleted and the underlying map cleaned up. |
42 class SurfaceBinding::PerConnectionState | 42 class SurfaceBinding::PerConnectionState |
43 : public base::RefCounted<PerConnectionState> { | 43 : public base::RefCounted<PerConnectionState> { |
44 public: | 44 public: |
45 static PerConnectionState* Get(mojo::Connector* connector, | 45 static PerConnectionState* Get(shell::Connector* connector, |
46 mus::WindowTreeConnection* connection); | 46 mus::WindowTreeConnection* connection); |
47 | 47 |
48 std::unique_ptr<cc::OutputSurface> CreateOutputSurface( | 48 std::unique_ptr<cc::OutputSurface> CreateOutputSurface( |
49 mus::Window* window, | 49 mus::Window* window, |
50 mus::mojom::SurfaceType type); | 50 mus::mojom::SurfaceType type); |
51 | 51 |
52 private: | 52 private: |
53 typedef std::map<mus::WindowTreeConnection*, PerConnectionState*> | 53 typedef std::map<mus::WindowTreeConnection*, PerConnectionState*> |
54 ConnectionToStateMap; | 54 ConnectionToStateMap; |
55 | 55 |
56 friend class base::RefCounted<PerConnectionState>; | 56 friend class base::RefCounted<PerConnectionState>; |
57 | 57 |
58 PerConnectionState(mojo::Connector* connector, | 58 PerConnectionState(shell::Connector* connector, |
59 mus::WindowTreeConnection* connection); | 59 mus::WindowTreeConnection* connection); |
60 ~PerConnectionState(); | 60 ~PerConnectionState(); |
61 | 61 |
62 void Init(); | 62 void Init(); |
63 | 63 |
64 static base::LazyInstance< | 64 static base::LazyInstance< |
65 base::ThreadLocalPointer<ConnectionToStateMap>>::Leaky window_states; | 65 base::ThreadLocalPointer<ConnectionToStateMap>>::Leaky window_states; |
66 | 66 |
67 mojo::Connector* connector_; | 67 shell::Connector* connector_; |
68 mus::WindowTreeConnection* connection_; | 68 mus::WindowTreeConnection* connection_; |
69 | 69 |
70 // Set of state needed to create an OutputSurface. | 70 // Set of state needed to create an OutputSurface. |
71 mus::mojom::GpuPtr gpu_; | 71 mus::mojom::GpuPtr gpu_; |
72 | 72 |
73 DISALLOW_COPY_AND_ASSIGN(PerConnectionState); | 73 DISALLOW_COPY_AND_ASSIGN(PerConnectionState); |
74 }; | 74 }; |
75 | 75 |
76 // static | 76 // static |
77 base::LazyInstance<base::ThreadLocalPointer< | 77 base::LazyInstance<base::ThreadLocalPointer< |
78 SurfaceBinding::PerConnectionState::ConnectionToStateMap>>::Leaky | 78 SurfaceBinding::PerConnectionState::ConnectionToStateMap>>::Leaky |
79 SurfaceBinding::PerConnectionState::window_states; | 79 SurfaceBinding::PerConnectionState::window_states; |
80 | 80 |
81 // static | 81 // static |
82 SurfaceBinding::PerConnectionState* SurfaceBinding::PerConnectionState::Get( | 82 SurfaceBinding::PerConnectionState* SurfaceBinding::PerConnectionState::Get( |
83 mojo::Connector* connector, | 83 shell::Connector* connector, |
84 mus::WindowTreeConnection* connection) { | 84 mus::WindowTreeConnection* connection) { |
85 ConnectionToStateMap* window_map = window_states.Pointer()->Get(); | 85 ConnectionToStateMap* window_map = window_states.Pointer()->Get(); |
86 if (!window_map) { | 86 if (!window_map) { |
87 window_map = new ConnectionToStateMap; | 87 window_map = new ConnectionToStateMap; |
88 window_states.Pointer()->Set(window_map); | 88 window_states.Pointer()->Set(window_map); |
89 } | 89 } |
90 if (!(*window_map)[connection]) { | 90 if (!(*window_map)[connection]) { |
91 (*window_map)[connection] = new PerConnectionState(connector, connection); | 91 (*window_map)[connection] = new PerConnectionState(connector, connection); |
92 (*window_map)[connection]->Init(); | 92 (*window_map)[connection]->Init(); |
93 } | 93 } |
94 return (*window_map)[connection]; | 94 return (*window_map)[connection]; |
95 } | 95 } |
96 | 96 |
97 std::unique_ptr<cc::OutputSurface> | 97 std::unique_ptr<cc::OutputSurface> |
98 SurfaceBinding::PerConnectionState::CreateOutputSurface( | 98 SurfaceBinding::PerConnectionState::CreateOutputSurface( |
99 mus::Window* window, | 99 mus::Window* window, |
100 mus::mojom::SurfaceType surface_type) { | 100 mus::mojom::SurfaceType surface_type) { |
101 // TODO(sky): figure out lifetime here. Do I need to worry about the return | 101 // TODO(sky): figure out lifetime here. Do I need to worry about the return |
102 // value outliving this? | 102 // value outliving this? |
103 mus::mojom::CommandBufferPtr cb; | 103 mus::mojom::CommandBufferPtr cb; |
104 gpu_->CreateOffscreenGLES2Context(GetProxy(&cb)); | 104 gpu_->CreateOffscreenGLES2Context(GetProxy(&cb)); |
105 | 105 |
106 scoped_refptr<cc::ContextProvider> context_provider( | 106 scoped_refptr<cc::ContextProvider> context_provider( |
107 new mus::ContextProvider(cb.PassInterface().PassHandle())); | 107 new mus::ContextProvider(cb.PassInterface().PassHandle())); |
108 return base::WrapUnique(new mus::OutputSurface( | 108 return base::WrapUnique(new mus::OutputSurface( |
109 context_provider, window->RequestSurface(surface_type))); | 109 context_provider, window->RequestSurface(surface_type))); |
110 } | 110 } |
111 | 111 |
112 SurfaceBinding::PerConnectionState::PerConnectionState( | 112 SurfaceBinding::PerConnectionState::PerConnectionState( |
113 mojo::Connector* connector, | 113 shell::Connector* connector, |
114 mus::WindowTreeConnection* connection) | 114 mus::WindowTreeConnection* connection) |
115 : connector_(connector), connection_(connection) {} | 115 : connector_(connector), connection_(connection) {} |
116 | 116 |
117 SurfaceBinding::PerConnectionState::~PerConnectionState() { | 117 SurfaceBinding::PerConnectionState::~PerConnectionState() { |
118 ConnectionToStateMap* window_map = window_states.Pointer()->Get(); | 118 ConnectionToStateMap* window_map = window_states.Pointer()->Get(); |
119 DCHECK(window_map); | 119 DCHECK(window_map); |
120 DCHECK_EQ(this, (*window_map)[connection_]); | 120 DCHECK_EQ(this, (*window_map)[connection_]); |
121 window_map->erase(connection_); | 121 window_map->erase(connection_); |
122 if (window_map->empty()) { | 122 if (window_map->empty()) { |
123 delete window_map; | 123 delete window_map; |
124 window_states.Pointer()->Set(nullptr); | 124 window_states.Pointer()->Set(nullptr); |
125 } | 125 } |
126 } | 126 } |
127 | 127 |
128 void SurfaceBinding::PerConnectionState::Init() { | 128 void SurfaceBinding::PerConnectionState::Init() { |
129 connector_->ConnectToInterface("mojo:mus", &gpu_); | 129 connector_->ConnectToInterface("mojo:mus", &gpu_); |
130 } | 130 } |
131 | 131 |
132 // SurfaceBinding -------------------------------------------------------------- | 132 // SurfaceBinding -------------------------------------------------------------- |
133 | 133 |
134 SurfaceBinding::SurfaceBinding(mojo::Connector* connector, | 134 SurfaceBinding::SurfaceBinding(shell::Connector* connector, |
135 mus::Window* window, | 135 mus::Window* window, |
136 mus::mojom::SurfaceType surface_type) | 136 mus::mojom::SurfaceType surface_type) |
137 : window_(window), | 137 : window_(window), |
138 surface_type_(surface_type), | 138 surface_type_(surface_type), |
139 state_(PerConnectionState::Get(connector, window->connection())) {} | 139 state_(PerConnectionState::Get(connector, window->connection())) {} |
140 | 140 |
141 SurfaceBinding::~SurfaceBinding() {} | 141 SurfaceBinding::~SurfaceBinding() {} |
142 | 142 |
143 std::unique_ptr<cc::OutputSurface> SurfaceBinding::CreateOutputSurface() { | 143 std::unique_ptr<cc::OutputSurface> SurfaceBinding::CreateOutputSurface() { |
144 return state_->CreateOutputSurface(window_, surface_type_); | 144 return state_->CreateOutputSurface(window_, surface_type_); |
145 } | 145 } |
146 | 146 |
147 } // namespace views | 147 } // namespace views |
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